Physiologic Recording by Modern Instruments With Particular Reference to Pressure Recording

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Abstract
It is "the purpose of this review to examine the significance, occurrence and methods of estimating some of the more important measurement errors that must be considered in the correct choice of physiologic recording systems. This objective is best achieved by presenting the problem in three parts. The first part defines the major criteria of recording accuracy and their significance. The second part of the review describes the problems of recording accuracy somewhat more specifically as related to the three general components of a recording system, the transducer, amplifier, and recorder. Finally the third part of the review specifically deals with the general problem of physiologic pressure recording in some detail since pressure recording presents problems that are common to all types of recording and is probably the most common type of measurement made. Although the first two parts will have general application in the field of physiology, this third part will be of interest to those physiologists in the biophysical areas.".

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